package day03;
// if...else语句
public class IfElseDemo {
    public static void main(String[] args) {
        //满500打8折，不满打9折
        double price = 600;
        if(price>=500){
            price *= 0.8;
        }else{
            price *= 0.9;
        }
        System.out.println("金额为"+price);

        //2)判断成绩是否合法
        int score = 100;
        if(score>=0 && score<=100){
            System.out.println(score+"是合法成绩");
        }else{
            System.out.println(score+"是非法成绩");
        }
    }
}
